diff --git a/pgo/pgo.c b/pgo/pgo.c
index 757dcd06..94676cc5 100644
--- a/pgo/pgo.c
+++ b/pgo/pgo.c
@@ -47,6 +47,12 @@ fdm_del(struct fdm *fdm, int fd)
     return true;
 }
 
+bool
+fdm_del_no_close(struct fdm *fdm, int fd)
+{
+    return true;
+}
+
 bool
 fdm_event_add(struct fdm *fdm, int fd, int events)
 {